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// Copyright 2012 Intel Corporation
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define __GBM__ 1
#define _POSIX_C_SOURCE 200112 // glib feature macro for unsetenv()
#include <stdlib.h>
#include <waffle/core/wcore_error.h>
#include <waffle/linux/linux_platform.h>
#include "gbm_config.h"
#include "gbm_context.h"
#include "gbm_display.h"
#include "gbm_platform.h"
#include "gbm_priv_egl.h"
#include "gbm_window.h"
static const struct wcore_platform_vtbl gbm_platform_wcore_vtbl;
static bool
gbm_platform_destroy(struct wcore_platform *wc_self)
{
struct gbm_platform *self = gbm_platform(wc_self);
bool ok = true;
if (!self)
return true;
unsetenv("EGL_PLATFORM");
if (self->linux)
ok &= linux_platform_destroy(self->linux);
ok &= wcore_platform_teardown(wc_self);
free(self);
return ok;
}
struct wcore_platform*
gbm_platform_create(void)
{
struct gbm_platform *self;
bool ok = true;
self = wcore_calloc(sizeof(*self));
if (self == NULL)
return NULL;
ok = wcore_platform_init(&self->wcore);
if (!ok)
goto error;
self->linux = linux_platform_create();
if (!self->linux)
goto error;
setenv("EGL_PLATFORM", "drm", true);
self->wcore.vtbl = &gbm_platform_wcore_vtbl;
return &self->wcore;
error:
gbm_platform_destroy(&self->wcore);
return NULL;
}
static bool
gbm_platform_make_current(struct wcore_platform *wc_self,
struct wcore_display *wc_dpy,
struct wcore_window *wc_window,
struct wcore_context *wc_ctx)
{
return egl_make_current(gbm_display(wc_dpy)->egl,
wc_window ? gbm_window(wc_window)->egl : NULL,
wc_ctx ? gbm_context(wc_ctx)->egl : NULL);
}
static void*
gbm_platform_get_proc_address(struct wcore_platform *wc_self,
const char *name)
{
return eglGetProcAddress(name);
}
static bool
gbm_platform_dl_can_open(struct wcore_platform *wc_self,
int32_t waffle_dl)
{
return linux_platform_dl_can_open(gbm_platform(wc_self)->linux,
waffle_dl);
}
static void*
gbm_platform_dl_sym(struct wcore_platform *wc_self,
int32_t waffle_dl,
const char *name)
{
return linux_platform_dl_sym(gbm_platform(wc_self)->linux,
waffle_dl,
name);
}
static const struct wcore_platform_vtbl gbm_platform_wcore_vtbl = {
.destroy = gbm_platform_destroy,
.connect_to_display = gbm_display_connect,
.choose_config = gbm_config_choose,
.create_context = gbm_context_create,
.create_window = gbm_window_create,
.make_current = gbm_platform_make_current,
.get_proc_address = gbm_platform_get_proc_address,
.dl_can_open = gbm_platform_dl_can_open,
.dl_sym = gbm_platform_dl_sym,
};
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